Home / 1,136,437.78-1,702,589.34-661,683.82

Finding the Fourth Proportional to 1,136,437.78, 1,702,589.34 and 661,683.82

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Solution

The fourth proportional to 1,136,437.78, 1,702,589.34 and 661,683.82 is: 991,322.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,437.78 : 1,702,589.34 = 661,683.82 : x
  2. Step 2: Convert to fraction form
    1,136,437.78/1,702,589.34 = 661,683.82/x
  3. Step 3: Cross multiply
    1,136,437.78x = 1,702,589.34 × 661,683.82
  4. Step 4: Simplify right side
    1,136,437.78x = 1,126,575,818,382.48
  5. Step 5: Solve for x
    x = 1,126,575,818,382.48/1,136,437.78
  6. Step 6: Final answer
    x = 991,322.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.